| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.team.internal.core.subscribers; |
| |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.team.core.TeamException; |
| import org.eclipse.team.core.synchronize.*; |
| import org.eclipse.team.internal.core.Policy; |
| |
| /** |
| * This is the superclass for all SyncSet input providers |
| */ |
| public abstract class SyncSetInput { |
| |
| private SubscriberSyncInfoSet syncSet; |
| private SyncInfoFilter filter = new FastSyncInfoFilter(); |
| |
| public SyncSetInput(SubscriberEventHandler handler) { |
| syncSet = new SubscriberSyncInfoSet(handler); |
| } |
| |
| public SubscriberSyncInfoSet getSyncSet() { |
| return syncSet; |
| } |
| |
| /** |
| * This method is invoked from reset to get all the sync information from |
| * the input source. |
| */ |
| protected abstract void fetchInput(IProgressMonitor monitor) throws TeamException; |
| |
| /** |
| * The input is no longer being used. Disconnect it from its source. |
| */ |
| public abstract void disconnect(); |
| |
| /** |
| * Reset the input. This will clear the current contents of the sync set and |
| * obtain the contents from the input source. |
| */ |
| public void reset(IProgressMonitor monitor) throws TeamException { |
| |
| try { |
| syncSet.beginInput(); |
| monitor = Policy.monitorFor(monitor); |
| monitor.beginTask(null, 100); |
| syncSet.clear(); |
| fetchInput(Policy.subMonitorFor(monitor, 90)); |
| } finally { |
| syncSet.endInput(Policy.subMonitorFor(monitor, 10)); |
| monitor.done(); |
| } |
| } |
| |
| /** |
| * Collect the change in the provided sync info. |
| */ |
| protected void collect(SyncInfo info, IProgressMonitor monitor) { |
| boolean isOutOfSync = filter.select(info, monitor); |
| SyncInfo oldInfo = syncSet.getSyncInfo(info.getLocal()); |
| boolean wasOutOfSync = oldInfo != null; |
| if (isOutOfSync) { |
| syncSet.add(info); |
| } else if (wasOutOfSync) { |
| syncSet.remove(info.getLocal()); |
| } |
| } |
| |
| protected void remove(IResource resource) { |
| SyncInfo oldInfo = syncSet.getSyncInfo(resource); |
| boolean wasOutOfSync = oldInfo != null; |
| if (oldInfo != null) { |
| syncSet.remove(resource); |
| } |
| } |
| |
| public SyncInfoFilter getFilter() { |
| return filter; |
| } |
| |
| public void setFilter(SyncInfoFilter filter) { |
| this.filter = filter; |
| } |
| |
| } |